How To Fix TB012 - Client &1 does not exist in comparison system &2

TB012 - Overview

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 012

• Message text: Client &1 does not exist in comparison system &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message TB012 - Client &1 does not exist in comparison system &2 ?

  The SAP error message TB012 indicates that the specified client (denoted as &1) does not exist in the comparison system (denoted as &2). This error typically arises during system comparisons, such as when using the Transport Management System (TMS) or during client comparisons in SAP.
  
  Cause:
  
  Client Not Created: The client specified in the error message has not been created in the target system.
  Incorrect Configuration: The configuration of the Transport Management System (TMS) may be incorrect, leading to the system not recognizing the client.
  Transport Directory Issues: There may be issues with the transport directory or the transport routes that prevent the system from recognizing the client.
  System Copy or Refresh: If the system was recently copied or refreshed, the client may not have been included in the copy process.
  
  
  Solution:
  
  
  Verify Client Existence:
  
  Log into the target system (comparison system) and check if the client exists. You can do this by using transaction code SCC4 to